1--TEST--
2Iterable typed properties must be accepted to by-ref array arguments
3--FILE--
4<?php
5
6$obj = new class {
7    public ?iterable $it = null;
8};
9
10function arr(?array &$arr) {
11    $arr = [1];
12}
13
14arr($obj->it);
15var_dump($obj->it);
16array_shift($obj->it);
17var_dump($obj->it);
18parse_str("foo=bar", $obj->it);
19var_dump($obj->it);
20$obj->it = [];
21var_dump($obj->it);
22
23?>
24--EXPECT--
25array(1) {
26  [0]=>
27  int(1)
28}
29array(0) {
30}
31array(1) {
32  ["foo"]=>
33  string(3) "bar"
34}
35array(0) {
36}
37